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General Information

Denta Scan create a comprehensive set of cross-referenced composite axial, panorex and oblique planar reformations of the mandible and/or maxilla. This tool is for planning mandibular and maxillary or dental implant surgery. This special AW CT software application runs on the Advantage Workstation 4.2

Benefits

Expands patient referral base to dental practices.

Easy-to-use, post-processing software almost runs itself.

Scanning techniques are very quick with low tube requirements, no contrast, very low dose.

Features

DHTML Web Menu by OpenCube Axial or helical CT data is reformatted to multiformat display (e.g. four images per screen) for the mandible and maxilla.

Oblique images produce visual inspection of cortical bone and alveolar nerve for optimal implant placement.

Multiple (5 or 9) panorex images demonstrate pathology when needed, along with the nerve canal. Oblique and panorex reformations are cross-referenced to each other and to the original CT images.

User selectable distance between oblique reformations (from 1-10 mm).

A mm scale is displayed to allow direct measurement.

Clinical Applications

Accurately measures bone loss/gain over time. Provides normative data to track osteoporosis risks.

Allows for patient monitoring to assess response for therapy.

Accurately improved by scanning BMD pad and patient at the same time.

The CT Dentascan is a specially developed computerized reformatting program that has been developed to obtain true cross-sections of the mandible (jaw) and maxilla (upper mouth) from the easily obtained CT scans for patients being considered for dental implant surgery in either the mandibular or maxillary arches. The main use of dentascans today is in the pre-operative planning and pre-operative modeling of endosseous dental implants and subperiosteal implants. When used appropriately, CT dentascans relieve a lot of the pre-operative guesswork by the patient's dental surgeon in the planning of the position and lengths of the implants when surgery is deemed possible and also assists in withholding surgery when it is not feasible. CT with the DentaScan program eliminates the need to make strategic decisions after surgery has been initiated. It enables the dental surgeon to visualize the bony structures pre-operatively; the surgeon does not have to make decisions at the time of surgery when the mucoperiosteal flap is already elevated to visualize the bony structures directly. Dentascan CT provides the surgeons an operation with information of the internal structures that cannot even be gained by direct intra-operative visualization.


Maxilla	Mandible

Planning Axial slices of approx. thickness were taken as Raw Data.

Axial scans are obtained continuously through either the maxilla or mandible. Using the axial scan through the roots of the teeth, the curvature of the alveolar ridge is drawn on the computer screen. Our software program then produces sequential oblique cross-sections every 2 or 3 mm around the entire curvature of the alveolar ridge. Each of the cross-sections is sequentially numbered and matched to tick marks on the axial views. Finally, five panoramic views are obtained and the oblique views are keyed to the panoramic scans as well.

The CT scans are photographed in true life-size format with vertical scale in millimeters.

Poor bone mass. Sequential sagittal reformatted images through maxilla (red circle indicates image #11 which corresponds to slice location. The inferior alveolar nerve can be clearly seen on the cross-section oblique views. The inferior alveolar nerve canal is a vital structure that needs to be avoided during surgery.

The anatomic features of the mandible most important to the implant surgery are:
1. the contour of the alveolar ridge.
2. the height of the alveolar ridge.
3. the location of the inferior alveolar nerve canal.


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